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Old 09-29-2014, 12:16 AM   #1
dahoseman
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Default 2015 WRX turbo options?

I'm curious if anyone has seen or heard of any planned or completed turbo swaps for the 2015 WRX?

I love the direct injection (finally) with full torque at 2000rpm, especially with the new 2.0 block that can hold a ton of power. I'm looking forward to the aftermarket options. A 2015 WRX with a 350hp drivetrain would be much more to my liking.
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Old 09-29-2014, 12:49 AM   #2
Scoobman20
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I'm thinking about a gt3076R or 73 twin scroll, but am awaiting housing and header options.

One though was to bore out the stock hot housing, but I think it might be too restrictive for a larger turbo.


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Old 09-29-2014, 02:18 AM   #3
subaru_gc8
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how big is the stock turbo?
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Old 09-29-2014, 02:21 AM   #4
scubiedubie
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https://www.facebook.com/media/set/?...2510673&type=1

Full Blown seems to have their hands full with this one.

a twinscroll 7163 from BW would make me speechless.
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Old 09-29-2014, 11:26 AM   #5
Jason2015wrx
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Best I have seen so far on this engine, Is 310 WHP on E85 Stage 1

I just checked out Full Blown and that will be interesting to see
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Old 09-29-2014, 02:34 PM   #6
dahoseman
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I would expect someone will be doing the hard work of installing larger DI injectors at some point? Just like a diesel (DI for 100 years), installing new injectors isn't as easy as with port injectors, but it's worth it.
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Old 09-29-2014, 03:01 PM   #7
Jason2015wrx
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I don't think they make larger DI injectors that will fit the car currently but this engine is showing serious potential, I retract my previous statement on E85, I think Clark Tuning made 340 WHP on E85....

that's getting close to 400 HP at the crank, I feel for the Daily driver that wants more power then stock 300 WHP is way faster then most of the cars I see daily on the road going to work and plenty powerful enough for traffic and high speed bursts... its crazy that you can get that kind of power with a budget of less then 2 Grand!
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Old 10-01-2014, 11:41 PM   #8
dahoseman
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Quote:
Originally Posted by Jason2015wrx View Post
I don't think they make larger DI injectors that will fit the car currently but this engine is showing serious potential, I retract my previous statement on E85, I think Clark Tuning made 340 WHP on E85....

that's getting close to 400 HP at the crank, I feel for the Daily driver that wants more power then stock 300 WHP is way faster then most of the cars I see daily on the road going to work and plenty powerful enough for traffic and high speed bursts... its crazy that you can get that kind of power with a budget of less then 2 Grand!
I think you're right on the availability of aftermarket parts, even though this engine has been out for a while in other locations and shares the base with the BRZ. I suppose I'll have to wait a few years for the aftermarket to grow a bit. I would be interested in the WRX if I could add higher-flowing DI injectors and a turbo upgrade.

I hear you on 400 crank hp being more then enough for most people's driving. It's a hell of a lot more power than most cars on the road put out. For my tastes, I have found that my personal sweet spot is right around ~350hp (at least for a car of this size). I drove a Cadillac CTS-V for a while with some mods that put down mid 400's to the wheels. Even with the awesome suspension, it still felt a bit like a boat to me compared with a smaller car. I liked the power, but I really only appreciated it on dry pavement and didn't dare take it off the road, which are things that were problematic for me.

Anyway, a new WRX with 350hp on pump gas would be perfection to me.
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